Patent US3763281A successfully refreshed from Google Patents.
US3763281A
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US
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Ureidoalkylphosphonates
Assignee: Stauffer Chemical Co
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Filing: 1970-06-26
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Granted: 1973-10-02
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Expires: 1990-06-26
Abstract
Abstract NOVEL UREIDOALKYULPHOSPHONATES, METHODS FOR THEIR PREPARATION AS WELL AS FOR THEIR USE IN PREPARING DURABLE, FLAMEPROOF FINISHES FOR TEXTILES ARE DISCLOSED THESE UREIDOALKYLPHOSPHONATES ARE FOUND TO BE LOW IN COST, READILY PREPARED AND OF MINIMAL TOXICITY.
Inventors
- 👤 E Weil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:22
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/35; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C07F9/547; C07F9/645; C07F9/6503; C07F9/6506; C07F9/6527; C07F9/6533; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/10; C08G12/26; C08G12/34; D06M13/244; D06M13/282; D06M13/288
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |